Gisela is a census-designated place (CDP) in Gila County, Arizona, United States. The population was 532 at the 2000 census. Gisela was named after the heroine in the book COUNTESS GISELA by E. Marlitt. The town schoolteacher was reading the book to her students when she was asked by her husband, the postmaster, to help name the little settlement. She asked the school children what names they liked, and they voted to name their new town Gisela. They didn't know how to pronounce the name correctly, so they called it Guy-SEE-la.